21097500851

素因数分解:

$7^1\times {\mathrm{257}}^1\times {\mathrm{277}}^1\times {\mathrm{42337}}^1$

素因数の和:42878

約数の個数: 16

約数和(自身を含む): 24293205696

約数和(自身を除く): 3195704845

約数列:

[1, 7, 257, 277, 1799, 1939, 42337, 71189, 296359, 498323, 10880609, 11727349, 76164263, 82091443, 3013928693, 21097500851]

約数ペア:

[(1, 21097500851), (7, 3013928693), (257, 82091443), (277, 76164263), (1799, 11727349), (1939, 10880609), (42337, 498323), (71189, 296359)]